added neural network and model #35

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s473616 merged 3 commits from neuralNetwork into master 2023-06-17 17:00:53 +02:00
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from keras.preprocessing.image import ImageDataGenerator
from keras.models import Sequential
from keras.layers import Conv2D, MaxPooling2D, Flatten, Dense
train_data_dir = "garbage_photos"
input_shape = (150, 150, 3)
num_classes = 5
batch_size = 32
epochs = 20
train_datagen = ImageDataGenerator(rescale=1./255)
train_generator = train_datagen.flow_from_directory(
train_data_dir,
target_size=(input_shape[0], input_shape[1]),
batch_size=batch_size,
class_mode='categorical'
)
model = Sequential()
model.add(Conv2D(32, (3, 3), activation='relu', input_shape=input_shape))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Conv2D(64, (3, 3), activation='relu'))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Conv2D(128, (3, 3), activation='relu'))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Flatten())
model.add(Dense(128, activation='relu'))
model.add(Dense(num_classes, activation='softmax'))
model.compile(optimizer='adam', loss='categorical_crossentropy', metrics=['accuracy'])
model.fit(train_generator, epochs=epochs)
classes = train_generator.class_indices
model.save("neuralModel.h5")